ephedrine

名词 n.
中文释义
英 /ˈɛf.ə.dɹiːn/    美 /ɪˈfɛ.dɹɪn/|/ˈɛf.ə.dɹɪn/

英文释义

名词 n.
  1. A crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever. countable,uncountable
    — The great advantage of ephedrine is its effectiveness if taken as a pill, whereas adrenaline works only if injected or inhaled.

词形变化

ephedrines plural

词源

Etymology tree
English ephedra
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English ephedrine
From ephedra + -ine.
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